class Model(object):
"""Model of the application, it contains the main information"""
def __init__(self):
self.__data = Data(); # Ingredient Data class used to import and load data
self.__recette = 0 # Last recipe specified
self.__metaGroups = [] # All groups datas
self.__initDatas() # Iniciate groups datas
def __initDatas(self):
"""Create all groups rules explicated in the documentation"""
self.__metaGroups.append(MetaGroup(1, Constants.CalorieMetaGroup1))
self.__metaGroups.append(MetaGroup(2, Constants.CalorieMetaGroup2))
self.__metaGroups.append(MetaGroup(3, Constants.CalorieMetaGroup3))
self.__metaGroups.append(MetaGroup(4, Constants.CalorieMetaGroup4))
def calculatePortions(self):
"""Calculate one portion of one recipe"""
aMetaGroup = self.__getMetaGroup(self.recette.getNiveau())
aGroups = aMetaGroup.getGroups()
oPortionList = []
for aGroup in aGroups :
aPoidsPortion = (self.recette.getRecipeWeight() * aGroup.getPortionCalories())/self.recette.getRecipeCalories()
aCarbo = (self.recette.getRecipeCarbo() * aPoidsPortion)/self.recette.getRecipeWeight()
aProteine = (self.recette.getRecipeProteine() * aPoidsPortion)/self.recette.getRecipeWeight()
aLipide = (self.recette.getRecipeLipide() * aPoidsPortion)/self.recette.getRecipeWeight()
aFibre = (self.recette.getRecipeFibre() * aPoidsPortion)/self.recette.getRecipeWeight()
aSodium = (self.recette.getRecipeSodium() * aPoidsPortion)/self.recette.getRecipeWeight()
aSature = (self.recette.getRecipeSature() * aPoidsPortion)/self.recette.getRecipeWeight()
oPortionList.append(PortionRecette(aPoidsPortion, aGroup, aCarbo, aProteine, aLipide, aFibre, aSodium, aSature))
return oPortionList
def __getMetaGroup(self, iNiveau):
for oMetaGroup in self.__metaGroups:
if oMetaGroup.getNiveau() == iNiveau:
return oMetaGroup
raise MyException("getMetaGroup() : Nivel de sobre grupo errado.")
def checkNumIngr(self, iNumero):
"""Check if the ingredient is in the ingredients list"""
for aIngredient in self.__data.getIngredients():
if aIngredient.numero == iNumero:
return True
return False
def displayModel(self):
"""Display all the model"""
for aMetaGroup in self.__metaGroups:
print(aMetaGroup)
def displayRecipe(self):
"""Display the recipe"""
print(self.recette)
def resetDatabase(self):
"""Reset the database and load from the Excel file."""
self.__data.resetData()
def getIngredient(self, iNumero):
"""Retrieve the ingredient thanks to the ingredient number"""
for oIngredient in self.__data.getIngredients():
if oIngredient.numero == iNumero:
return oIngredient
raise MyException("getIngredient() : Numero de ingrediente errado.")
def setRecette(self, iRecette):
self.__recette = iRecette
def getRecette(self):
return self.__recette
recette = property(getRecette, setRecette, "Recette doc")
